h1{
	font-size: 15px;
	font-family: "微软雅黑";
	text-align: center;
}
h6{
	font:12px/20px 宋体;
	color:red;
	margin:5px;auto;
	text-align:center;
}
section{
	border:1px solid #ccc;
	border-radius: 6px;
	width: 600px;
	margin: 0 auto
}
fieldset{
	border:0px;
}
input[type=text],input[type=password]{
	width:200px;
	height: 30px;
	margin-top:10px;
}
nav{
	min-width:200px;
	width:200px;
	margin:30px auto;
	text-align:center;
}
